Home / 31,185.50-43,036.90-17,039.26

Finding the Fourth Proportional to 31,185.50, 43,036.90 and 17,039.26

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Solution

The fourth proportional to 31,185.50, 43,036.90 and 17,039.26 is: 23,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.50 : 43,036.90 = 17,039.26 : x
  2. Step 2: Convert to fraction form
    31,185.50/43,036.90 = 17,039.26/x
  3. Step 3: Cross multiply
    31,185.50x = 43,036.90 × 17,039.26
  4. Step 4: Simplify right side
    31,185.50x = 733,316,713.51
  5. Step 5: Solve for x
    x = 733,316,713.51/31,185.50
  6. Step 6: Final answer
    x = 23,514.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.